The present invention provides an optical fusion type ultrasound apparatus serving as diagnosis treatment. The optical fusion-type ultrasound apparatus for diagnosis and treatment according to the present invention can precisely perform a molecular imaging physical tissue diagnosis from a photoacoustic signal generated from a body tissue by a laser irradiated from an optical fiber, To induce non-invasive treatment of body tissue lesion sites. The optical fusion type ultrasonic apparatus for diagnosis and treatment according to the present invention comprises a photoacoustic signal detector for detecting a photoacoustic signal generated from a body tissue； An optical fiber arranged to penetrate the photoacoustic signal detector and irradiating laser to the body tissue； An ultrasound transducer integrally coupled to the photoacoustic signal detector and configured to induce body tissue therapy by irradiating ultrasonic waves to the body tissue； A photoacoustic signal analyzer connected to the photoacoustic signal detector for calculating body tissue state information from the detected photoacoustic signal； A light control device connected to the optical fiber and transmitting a laser having an output characteristic set by the optical fiber； And an ultrasonic control device connected to the ultrasonic transducer for controlling the operation of the ultrasonic transducer, so that the body tissue monitoring and diagnosis by the photoacoustic signal and the induction of the body tissue treatment by the ultrasonic wave are integrally performed.본 발명은 진단 치료 겸용 광융합형 초음파기기를 제공한다. 이와 같은 본 발명에 따른 진단 치료 겸용 광융합형 초음파기기는 광파이버로부터 조사되는 레이저에 의해 신체조직으로부터 생성되는 광음향 신호로부터 분자영상학적 신체조직 진단이 정밀하게 수행되도록 하는 동시에 고출력 집속형 초음파에 의한 신체조직 병변 부위의 비침습적 치료유도가 도모되도록 한다.본 발명에 따른 진단 치료 겸용 광융합형 초음파기기는 신체조직으로부터 발생되는 광음향 신호를 검출하는 광음향 신호검출기와； 광음향 신호검출기를 관통하여 배치되고, 신체조직으로 레이저를 조사하는 광파이버와； 광음향 신호검출기와 일체로 결합되고, 신체조직으로 초음파를 조사하여 신체조직 치료유도가 수행되도록 하는 초음파 트랜스듀서 및； 광음향 신호검출기와 연결되고, 검출된 광음향 신호로부터 신체조직 상태정보를 산출하는 광음향 신호
